[gnome-build-meta/gnome-3-30] (10 commits) ...elements/sdk/yelp.bst: Be sure desktop database gets updated

[Jordan Petridis <jpetridis src gnome org>]

Summary of changes:

  dd673c0... freedesktop-sdk: update to 18.08.26 (*)
  e7254ad... flatpak/platform.bst: Download gtk theme extensions (*)
  841767c... sdk/fcitx.bst: use git tarball instead of the official rele (*)
  0f2204b... .gitlab-ci.yml: update bst-external to 0.8.0 (*)
  5725978... project.conf: use /etc and /var as config and state directo (*)
  043bc94... Link /usr/etc/os-release -> /usr/lib/os-release (*)
  28f1e94... update tarball versions (*)
  4696fe0... Add some CPE info to modules (*)
  70ec4c3... Fix yelp (*)
  40342e2... elements/sdk/yelp.bst: Be sure desktop database gets update (*)

(*) This commit already existed in another branch; no separate mail sent